Frequently Asked Questions

Parallel Windows are used for applications in which angular deviation of the transmitted beam must be kept as small as possible.

Parallel Windows are made of various materials including ZnSe, ZnS, Ge, Silicon, CaF2, Sapphire, Fused Silica, and SF.

Round, square, and rectangular windows are available in a wide range of size and shape specifications.

The thickness tolerance of Fused Silica Parallel Windows is λ/20 (thickness dependant).

The surface quality of Parallel Windows is greater than 85%.

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